Advanced Micro Devices Inc (AMD)

[kpf]

chipguy

Are you seriously suggesting that the decision to add EM64T to Prescott was only made in 2H03?

Certainly not. Intel's own X86-64 implementation must have been in the original design. Microsoft's decision in automn 03 forced a respin to ensure compatibility to AMD64; which likely screwed the balance or the design wrt to power, limited FSB-speeds e.g., and most probably did a lot more to the design I will never learn about.

K.

p.s: I'm stumbling to remember when MS decision actually was, 02 or 03. I wouldn't bet on either. Only thing I believe to remember is it was automn when a mail from MS to an ISV war forwarded to me leaving no doubt where X64 will go, which was unclear up to this date. Irrelevant, history anyway.